GB/T 7242-1987
Replaced
GB/T 8338-2023
Active
National standards
GB/T 8338-2023 Camera shutters—Time measurement
GB/T 8338-2023 Camera shutters—Time measurement
Basic Information
Standard Code:
GB/T 8338-2023
Standard Type:
National standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
Cameras and photographic equipment
ICS Name:
Photographic equipment, projectors
Publish Date:
2023-09-07
Implement Date:
2024-04-01
Publisher:
国家市场监督管理总局、国家标准化管理委员会
Technical Committee:
全国照相机械标准化技术委员会(SAC/TC 107)
Pages:
24 pages
Scope
本文件界定了照相机中使用的所有类型快门曝光时间的术语和定义,同时规定了所有类型快门的曝光时间标记及其公差，并定义了安装在照相机中并影响曝光控制、快门闭合和与闪光同步的所有类型机械快门特性。本文件描述的常规制造测试和质量控制的测试方法适用于需要接近相机的焦平面测试，不适用于组装完成的数码照相机。
Development Information
Drafting Units:
杭州国照检测技术有限公司、杭州照相机械研究所有限公司、广东富图宝影像工业有限公司
Drafting Persons:
程一凡、葛世清、王均、许宇钊、曾丹、李志华
Replace the following standards
Adopt standards
ISO 516:2019
Related Standards
GB/T 9048-1988
Abolished
GB/T 9048-1988 Image area produced by 65mm and 70mm motion-picture camera aperture and maximum projectable image area on 70mm motion-picture prints—Positions and dimensions
GB/T 13157-1991
Active
GB/T 13157-1991 Overall electro-acoustic frequency response for reproduction of 35mm optical sound track—Reproduction characteristics
GB/T 13964-1992
Replaced
GB/T 13964-1992 Photographic machinery—Vocabulary
GB/T 13985-1992
Replaced
GB/T 13985-1992 Operating force and strength of camera
GB/T 13986-1992
Abolished